CD case with a platter and cleaning means driven by a single driving device

Year	Description
1996	Invention patented by Kuan-Di Huang on January 30th, 1996. Abstract: A compact disk case including a bottom shell, a cover shell hinged to the bottom shell, a platter mounted on the inside of the bottom shell to carry a compact disk, a rotary cap mounted on the outside of the cover shell, a driving device (for example, a handle) for turning the rotary cap, a driving wheel mounted on the inside of the cover shell and turned by the rotary cap, a driven wheel revolvably mounted inside the cover shell, a transmission gear meshed between the driving wheel and the driven wheel, and a cleaning element fixedly secured to the driven wheel and turned by the driving device through the rotary cap, the driving wheel, the transmission gear, and the driven wheel to remove dust from the compact disk.
Source: selected by the editor from original sources.

Invention: CD case with a platter and cleaning means driven by a single driving device